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प्रश्न
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उत्तर
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संबंधित प्रश्न
Draw the electrical symbols of the following components and state its use:
Ammeter.
Three 2 V cells are connected in series and used as a battery in a circuit.
How many joules of electrical energy does 1 C gain on passing through (i) one cell (ii) all three cells?
Which statement/statement is/are correct?
1. An ammeter is connected in series in a circuit and a voltmeter is connected in parallel.
2. An ammeter has a high resistance.
3. A voltmeter has a low resistance.
(a) 1, 2, 3
(b) 1, 2
(c) 2, 3
(d) 1
In the network shown in the following adjacent Figure, calculate the equivalent resistance between the points.
- A and B
- A and C
Calculate the current through a 60 W lamp rated 250 V. If the line voltage falls to 200 V, how is power consumed by the bulb affected?
How is direction of current related to the direction of flow of electrons?
What is the speed of electric current?
